Fix #644 Jump to context for site in subdirectory
Fix #644 Jump to context for site in subdirectory

Use the href on the toolbar link rather than SITE_AREA. The Contexts
Library sets the id and href of the menu to 'tb_' . $context and
site_url($self::site_area . '/' . $context), respectively, and
$self::site_area defaults to SITE_AREA.

kelaskakap/cms-api-unggun,kelaskakap/cms-api-unggun,kelaskakap/cms-api-unggun,PeterRock/Ci-Bonfire3,PeterRock/Ci-Bonfire3,PeterRock/Ci-Bonfire3